A wave of community test results and vendor confirmations this week has put the latest Windows 11 cumulative update under a harsh spotlight: several SSDs can disappear from Windows during sustained, large write operations after installing the August 12, 2025 update (KB5063878), with a...
Microsoft’s August cumulative (KB5063878) is making some SSDs and HDDs vanish mid‑write, and a patchwork of community testing, vendor responses and cautious guidance now makes a compelling case for pausing non‑urgent Windows updates and treating large, continuous file transfers as high‑risk...
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Microsoft’s August cumulative for Windows 11 — KB5063878 (OS Build 26100.4946) — has been linked by independent testers and enthusiast communities to a reproducible and severe storage fault: under sustained large sequential writes (reports center around the 50 GB range), certain NVMe SSDs—and a...